期刊
APPLIED PHYSICS LETTERS
卷 106, 期 24, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4922758
关键词
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资金
- China Scholarships Council (CSC)
- NNSF China [21174016]
We report the fabrication of high power conversion efficiency (PCE) polymer/fullerene bulk heterojunction (BHJ) photovoltaic cells using solution-processed Copper (I) Iodide (CuI) as hole transport layer (HTL). Our devices exhibit a PCE value of similar to 5.5% which is equivalent to that obtained for control devices based on the commonly used conductive polymer poly(3,4-ethylenedioxythiophene): polystyrenesulfonate as HTL. Inverted cells with PCE>3% were also demonstrated using solution-processed metal oxide electron transport layers, with a CuI HTL evaporated on top of the BHJ. The high optical transparency and suitable energetics of CuI make it attractive for application in a range of inexpensive large-area optoelectronic devices. (C) 2015 AIP Publishing LLC.
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